( ! ) Warning: Search backend error during near_match search for '3.16.109.195' after 16. Couldn't connect to host, Elasticsearch down? [Called from CirrusSearch\ElasticsearchIntermediary::failure in /var/www/w122_5/extensions/CirrusSearch/includes/ElasticsearchIntermediary.php at line 98] in /var/www/w122_5/includes/debug/MWDebug.php on line 300
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.0529	3965992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0977	4420736	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0983	4474752	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0983	4475120	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2082	5819496	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2197	5825640	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2197	5826392	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2244	5841392	Hooks::run( )	../SearchEngine.php:231
12	0.2244	5842992	call_user_func_array ( )	../Hooks.php:209
13	0.2244	5843696	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2250	5917760	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2260	5963784	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2297	6198896	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2299	6231664	PoolCounterWork->execute( )	../Util.php:133
18	0.2300	6256104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2300	6256288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2300	6256360	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2300	6258328	PoolCounterWork->execute( )	../Util.php:129
22	0.2300	6258976	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2300	6259160	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2301	6259280	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2465	6373576	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2466	6377512	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2467	6377792	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2468	6379096	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2468	6379488	trigger_error ( )	../MWDebug.php:300

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.2490	6302744	OutputPage->output( )	../MediaWiki.php:583
5	0.2512	6309200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2513	6310496	WebResponse->header( )	../OutputPage.php:2134
7	0.2513	6310640	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.2490	6302744	OutputPage->output( )	../MediaWiki.php:583
5	0.2512	6309200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2540	6318528	WebResponse->header( )	../OutputPage.php:2171
7	0.2540	6318672	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.2490	6302744	OutputPage->output( )	../MediaWiki.php:583
5	0.2512	6309200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2550	6318472	WebResponse->header( )	../OutputPage.php:2172
7	0.2550	6318616	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.2490	6302744	OutputPage->output( )	../MediaWiki.php:583
5	0.2590	6318472	WebResponse->header( )	../OutputPage.php:2220
6	0.2590	6318616	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	240368	{main}( )	../index.php:0
2	0.0257	3790504	MediaWiki->run( )	../index.php:46
3	0.0258	3791912	MediaWiki->main( )	../MediaWiki.php:424
4	0.2490	6302744	OutputPage->output( )	../MediaWiki.php:583
5	0.2718	6318632	WebResponse->header( )	../OutputPage.php:2227
6	0.2718	6318776	header ( )	../WebResponse.php:37